| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| body { | |
| height: 2000px; | |
| } | |
| .masthead { | |
| position: sticky; | |
| width: 200px; | |
| height: 100px; | |
| background-color: rgba(0, 0, 0, 0.2); | |
| } | |
| .make-fixed .masthead { | |
| position: fixed; | |
| } | |
| .fixed { | |
| position: fixed; | |
| width: 100px; | |
| height: 100px; | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) { | |
| testRunner.dumpAsText(); | |
| testRunner.waitUntilDone(); | |
| } | |
| function doTest() | |
| { | |
| window.setTimeout(function() { | |
| document.body.classList.add("make-fixed") | |
| if (window.testRunner) | |
| testRunner.notifyDone(); | |
| }, 0); | |
| } | |
| window.addEventListener('load', doTest, false); | |
| </script> | |
| </head> | |
| <body> | |
| <div class="masthead">This test should not assert in debug. | |
| <div class="fixed"> | |
| </div> | |
| </div> | |
| </body> | |
| </html> | |